Question: 1.Example 2 is on page 2 of your notes. Find the surface area of the pyramid. fffffff5. Equilateral Triangle Pyramid. Hint: Use the short cut
1.Example 2 is on page 2 of your notes.
Find the surface area of the pyramid.










\f\f\f\f\f\f\f5. Equilateral Triangle Pyramid. Hint: Use the short cut formula (lesson 11.2) for the area of an equilateral triangle to find B. B = s2 V3 4 12 m 7 m 6. Regular Pentagon. The base area is 42.5 ft2. 13 ft 5 ftExamples: Find the surface area of the following cones. 7. 8. 10 m 6 in. 7.8 m 4 in SA = T . r . I+ n . 1-2 SA = (3. 14) . (4) . (6) + (3. 14 . (42) SA = 125. 6 in29. Find the surface area. Use Pythagorean Theorem to find the missing part. 9.2 cm 9.2 cm 9.2 5.6 cm 5.6 cm 5.6
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